/ Dictionary / Index D dorse: Meaning and Definition of Find definitions for: dorse Pronunciation: (dôrs), [key] — n. the back of a book or folded document. dossal (def. 1). Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. dorsal root dorser Related Content Daily Word Quiz: gregarious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language